51638775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 91520928

約数和(自身を除く): 39882153

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 101, 255, 303, 401, 425, 505, 1203, 1275, 1515, 1717, 2005, 2525, 5151, 6015, 6817, 7575, 8585, 10025, 20451, 25755, 30075, 34085, 40501, 42925, 102255, 121503, 128775, 170425, 202505, 511275, 607515, 688517, 1012525, 2065551, 3037575, 3442585, 10327755, 17212925, 51638775]

約数ペア:

[(1, 51638775), (3, 17212925), (5, 10327755), (15, 3442585), (17, 3037575), (25, 2065551), (51, 1012525), (75, 688517), (85, 607515), (101, 511275), (255, 202505), (303, 170425), (401, 128775), (425, 121503), (505, 102255), (1203, 42925), (1275, 40501), (1515, 34085), (1717, 30075), (2005, 25755), (2525, 20451), (5151, 10025), (6015, 8585), (6817, 7575)]